package com.example.chatroom.dao.mapper;

import com.example.chatroom.dao.dataobject.MessageDO;

public interface MessageDOMapper {
    int insert(MessageDO row);

    int insertSelective(MessageDO row);

    MessageDO selectByPrimaryKey(Long id);

    int updateByPrimaryKeySelective(MessageDO row);

    int updateByPrimaryKeyWithBLOBs(MessageDO row);

    int updateByPrimaryKey(MessageDO row);
}